AirHint found the following cheapest return flights from London (LHR) to Praia, Santiago Island (RAI) in December 2025 (see full year).

Return flights

02 Dec - 06 Dec	Vueling Airlines
02 Dec - 09 Dec	Air France
06 Dec - 11 Dec	Air France
05 Dec - 10 Dec	TAP
02 Dec - 08 Dec	TAP
07 Dec - 14 Dec	TAP
04 Dec - 09 Dec	Iberia
08 Dec - 13 Dec	British Airways
12 Dec - 20 Dec	TAP
05 Dec - 09 Dec	TAP
25 Dec - 10 Jan	TAP
30 Dec - 11 Jan	Vueling Airlines
25 Dec - 07 Jan	TAP
30 Dec - 08 Jan	Azores Airlines
31 Dec - 07 Jan	SWISS
30 Dec - 09 Jan	Azores Airlines
28 Dec - 01 Jan	TAP
26 Dec - 01 Jan	TAP
24 Dec - 01 Jan	Royal Air Maroc
18 Dec - 06 Jan	Vueling Airlines

Also check the deals for one-way flights from London to Praia, Santiago Island in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Praia, Santiago Island in December from $557

Return flights